code: def tearDown(self):
      if hasattr(self, "rng_state"):
          torch.set_rng_state(self.rng_state)
  
file_path: gpytorch/gpytorch/test/base_test_case.py
imports: import os
  import random
  from abc import ABC
  import torch
label_desc: Use image node_id 2 for calling the BaseTestCase obj's underlying member method code with example usage: obj.tearDown() without return types